Add Nova v2.1 API endpoint

In Juno cycle, we started to implement Nova v2.1 API and most part
has been implemented now.
For using/testing the API, this patch adds the endpoint setting to
devstack.

Change-Id: I25557cb2b0a1384ee11d3e1ae7d424828e766e50
diff --git a/lib/nova b/lib/nova
index 88c1e29..0005090 100644
--- a/lib/nova
+++ b/lib/nova
@@ -349,6 +349,14 @@
                 "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2/\$(tenant_id)s" \
                 "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2/\$(tenant_id)s" \
                 "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2/\$(tenant_id)s"
+
+            local nova_v21_service=$(get_or_create_service "novav21" \
+                "computev21" "Nova Compute Service V2.1")
+            get_or_create_endpoint $nova_v21_service \
+                "$REGION_NAME" \
+                "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2.1/\$(tenant_id)s" \
+                "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2.1/\$(tenant_id)s" \
+                "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2.1/\$(tenant_id)s"
         fi
     fi